| a | abbreviated weekday name according to the current locale |
| A | full weekday name according to the current locale |
| b | abbreviated month name according to the current locale |
| B | full month name according to the current locale |
| c | preferred date and time representation for the current locale |
| C | century number (the year divided by 100 and truncated to an integer, range 00 to 99) |
| d | day of the month as a decimal number (range 01 to 31) |
| D | same as m/d/y |
| e | day of the month as a decimal number, a single digit is preceded by a space (range 1 to 31) |
| g | Week-based year within century [00,99] |
| G | Week-based year, including the century [0000,9999] |
| h | same as b |
| H | hour as a decimal number using a 24-hour clock (range 00 to 23) |
| I | hour as a decimal number using a 12-hour clock (range 01 to 12) |
| j | day of the year as a decimal number (range 001 to 366) |
| k | Hour (24-hour clock) single digits are preceded by a blank. (range 0 to 23) |
| l | hour as a decimal number using a 12-hour clock, single digits preceeded by a space (range 1 to 12) |
| m | month as a decimal number (range 01 to 12) |
| M | minute as a decimal number |
| n | newline character |
| p | either `am' or `pm' according to the given time value, or the corresponding strings for the current locale |
| r | time in a.m. and p.m. notation |
| R | time in 24 hour notation |
| S | second as a decimal number |
| t | tab character |
| T | current time, equal to H:M:S |
| u | weekday as a decimal number [1,7], with 1 representing Monday |
| U | week number of the current year as a decimal number, starting with the first Sunday as the first day of the first week |
| V | The ISO 8601:1988 week number of the current year as a decimal number, range 01 to 53, where week 1 is the first week that has at least 4 days in the current year, and with Monday as the first day of the week. |
| w | day of the week as a decimal, Sunday being 0 |
| W | week number of the current year as a decimal number, starting with the first Monday as the first day of the first week |
| x | preferred date representation for the current locale without the time |
| X | preferred time representation for the current locale without the date |
| y | year as a decimal number without a century (range 00 to 99) |
| Y | year as a decimal number including the century |
| Z | time zone or name or abbreviation |